diff --git a/day02/part2.py b/day02/part2.py
index 3809a7c..e8cad95 100644
--- a/day02/part2.py
+++ b/day02/part2.py
@@ -7,8 +7,7 @@ items = map(lambda x: [int(x[0]), int(x[1]), *x[2:]], items)
 
 
 def in_range(lower, upper, char, string):
-    cnt_range = sum(1 for s in string[lower-1]+string[upper-1] if char == s)
-    return cnt_range == 1
+    return (string[lower-1] == char) != (string[upper-1] == char)
 
 
 count = sum(1 for x in items if in_range(*x))